EP1675440A2 - Appareil d'éclairage et appareil d'affichage d'images - Google Patents

Appareil d'éclairage et appareil d'affichage d'images Download PDF

Info

Publication number
EP1675440A2
EP1675440A2 EP05257078A EP05257078A EP1675440A2 EP 1675440 A2 EP1675440 A2 EP 1675440A2 EP 05257078 A EP05257078 A EP 05257078A EP 05257078 A EP05257078 A EP 05257078A EP 1675440 A2 EP1675440 A2 EP 1675440A2
Authority
EP
European Patent Office
Prior art keywords
light emitting
voltage
emitting diodes
circuit
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP05257078A
Other languages
German (de)
English (en)
Other versions
EP1675440A3 (fr
Inventor
Norimasa Furukawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP1675440A2 publication Critical patent/EP1675440A2/fr
Publication of EP1675440A3 publication Critical patent/EP1675440A3/fr
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/31—Phase-control circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
EP05257078A 2004-12-22 2005-11-16 Appareil d'éclairage et appareil d'affichage d'images Ceased EP1675440A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004371234A JP4337731B2 (ja) 2004-12-22 2004-12-22 照明装置、及び画像表示装置

Publications (2)

Publication Number Publication Date
EP1675440A2 true EP1675440A2 (fr) 2006-06-28
EP1675440A3 EP1675440A3 (fr) 2006-07-12

Family

ID=36129714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05257078A Ceased EP1675440A3 (fr) 2004-12-22 2005-11-16 Appareil d'éclairage et appareil d'affichage d'images

Country Status (6)

Country Link
US (1) US7960919B2 (fr)
EP (1) EP1675440A3 (fr)
JP (1) JP4337731B2 (fr)
KR (1) KR101164250B1 (fr)
CN (1) CN100484346C (fr)
TW (1) TWI344118B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2009961A3 (fr) * 2007-06-22 2010-01-20 Samsung Electro-Mechanics Co., Ltd. Circuit de commande de diode électroluminescente et dispositif de réseau de diode électroluminescente
WO2011083415A1 (fr) * 2010-01-07 2011-07-14 Koninklijke Philips Electronics N.V. Circuit d'éclairage à diodes électroluminescentes
EP2348791A3 (fr) * 2010-01-22 2011-09-07 Chiu-Min Lin Dispositif d'éclairage à DEL capable de modifier la couleur de l'éclairage

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011143510A1 (fr) 2010-05-12 2011-11-17 Lynk Labs, Inc. Système d'éclairage à del
US10499465B2 (en) 2004-02-25 2019-12-03 Lynk Labs, Inc. High frequency multi-voltage and multi-brightness LED lighting devices and systems and methods of using same
US10091842B2 (en) 2004-02-25 2018-10-02 Lynk Labs, Inc. AC light emitting diode and AC LED drive methods and apparatus
US10575376B2 (en) 2004-02-25 2020-02-25 Lynk Labs, Inc. AC light emitting diode and AC LED drive methods and apparatus
US10154551B2 (en) 2004-02-25 2018-12-11 Lynk Labs, Inc. AC light emitting diode and AC LED drive methods and apparatus
US10506674B2 (en) 2004-02-25 2019-12-10 Lynk Labs, Inc. AC light emitting diode and AC LED drive methods and apparatus
US9198237B2 (en) 2004-02-25 2015-11-24 Lynk Labs, Inc. LED lighting system
CA2557465C (fr) 2004-02-25 2015-05-19 Michael Miskin Diode electroluminescente a courant alternatif, procedes et appareil d'entrainement de del a courant alternatif
TW200640045A (en) * 2005-05-13 2006-11-16 Ind Tech Res Inst Alternating current light-emitting device
TW200704283A (en) 2005-05-27 2007-01-16 Lamina Ceramics Inc Solid state LED bridge rectifier light engine
JP4770395B2 (ja) * 2005-10-26 2011-09-14 パナソニック電工株式会社 照明装置
KR101055772B1 (ko) 2005-12-15 2011-08-11 서울반도체 주식회사 발광장치
KR100968843B1 (ko) * 2005-12-16 2010-07-09 서울옵토디바이스주식회사 다수의 발광셀이 어레이된 발광소자
KR20070095041A (ko) * 2006-03-20 2007-09-28 삼성전기주식회사 교류 전압용 발광 소자 유닛
JP4776463B2 (ja) * 2006-07-20 2011-09-21 シャープ株式会社 面光源装置、照明装置、バックライト装置および表示装置
KR100803162B1 (ko) * 2006-11-20 2008-02-14 서울옵토디바이스주식회사 교류용 발광소자
JP4430084B2 (ja) 2007-02-28 2010-03-10 シャープ株式会社 Ｌｅｄ発光装置及びｌｅｄ発光装置を用いた機器及び灯具
US20090015174A1 (en) * 2007-07-11 2009-01-15 Industrial Technology Research Institute Light source apparatus and driving apparatus thereof
BRPI0816617A2 (pt) * 2007-10-06 2016-10-04 Lynk Labs Inc circuitos de led e conjuntos
US10986714B2 (en) 2007-10-06 2021-04-20 Lynk Labs, Inc. Lighting system having two or more LED packages having a specified separation distance
US11297705B2 (en) 2007-10-06 2022-04-05 Lynk Labs, Inc. Multi-voltage and multi-brightness LED lighting devices and methods of using same
EP2210036B1 (fr) * 2007-10-10 2016-11-23 Cree, Inc. Dispositif d'éclairage et procédé de fabrication
WO2009127079A1 (fr) * 2008-04-16 2009-10-22 海立尔股份有限公司 Pont parallèle et structure de circuit à ponts parallèles haute tension
US8118456B2 (en) * 2008-05-08 2012-02-21 Express Imaging Systems, Llc Low-profile pathway illumination system
US8926138B2 (en) * 2008-05-13 2015-01-06 Express Imaging Systems, Llc Gas-discharge lamp replacement
KR101495071B1 (ko) 2008-06-24 2015-02-25 삼성전자 주식회사 서브 마운트 및 이를 이용한 발광 장치, 상기 서브마운트의 제조 방법 및 이를 이용한 발광 장치의 제조 방법
KR100956224B1 (ko) * 2008-06-30 2010-05-04 삼성엘이디 주식회사 Ｌｅｄ 구동회로 및 ｌｅｄ 어레이 장치
US8334640B2 (en) * 2008-08-13 2012-12-18 Express Imaging Systems, Llc Turbulent flow cooling for electronic ballast
KR101001242B1 (ko) * 2008-08-22 2010-12-17 서울옵토디바이스주식회사 교류용 발광 다이오드
JP5355034B2 (ja) * 2008-10-24 2013-11-27 パナソニック株式会社 照明システム
EP2364575B1 (fr) * 2008-11-17 2016-01-27 Express Imaging Systems, LLC Commande électronique pour réguler la puissance pour un éclairage à semi-conducteurs et procédés de commande
KR101481033B1 (ko) * 2008-12-19 2015-01-09 엘지이노텍 주식회사 발광 다이오드용 전원 공급 장치
KR101523002B1 (ko) * 2009-01-13 2015-05-26 서울반도체 주식회사 발광 장치
CN101800219B (zh) 2009-02-09 2019-09-17 晶元光电股份有限公司 发光元件
KR20120032472A (ko) 2009-05-01 2012-04-05 익스프레스 이미징 시스템즈, 엘엘씨 수동 냉각을 구비한 가스-방전 램프 교체
US8541950B2 (en) * 2009-05-20 2013-09-24 Express Imaging Systems, Llc Apparatus and method of energy efficient illumination
WO2010135575A2 (fr) 2009-05-20 2010-11-25 Express Imaging Systems, Llc Détection de mouvement à grande portée pour la commande de l'éclairage
EP3573432A3 (fr) 2009-05-28 2020-02-12 Lynk Labs, Inc. Dispositif d'éclairage à del multi-tension et multi-luminosité et procédés d'utilisation
TWI429319B (zh) * 2009-05-29 2014-03-01 Lg Innotek Co Ltd 發光二極體驅動裝置
CN101956961A (zh) * 2009-07-24 2011-01-26 陆敬仁 用交流电直接驱动普通led时产生闪烁感的最简消除方法
US20110026264A1 (en) * 2009-07-29 2011-02-03 Reed William G Electrically isolated heat sink for solid-state light
TW201132222A (en) * 2009-12-28 2011-09-16 Lynk Labs Inc High frequency multi-voltage and multi-brightness LED lighting devices and systems and methods of using same
WO2011093395A1 (fr) * 2010-01-29 2011-08-04 三菱化学株式会社 Appareil de commande de la lumière pour un dispositif électroluminescent à del blanches, ainsi que système d'éclairage
US9241401B2 (en) 2010-06-22 2016-01-19 Express Imaging Systems, Llc Solid state lighting device and method employing heat exchanger thermally coupled circuit board
JP5476279B2 (ja) * 2010-11-19 2014-04-23 シャープ株式会社 Ｌｅｄ駆動回路およびｌｅｄ照明機器
JP6000127B2 (ja) * 2011-01-07 2016-09-28 株式会社カネカ 有機ｅｌ装置
US8901825B2 (en) 2011-04-12 2014-12-02 Express Imaging Systems, Llc Apparatus and method of energy efficient illumination using received signals
JP5820062B2 (ja) * 2011-05-26 2015-11-24 コリア エレクトロテクノロジー リサーチ インスティチュート Ｌｅｄ駆動制御装置及びその駆動電流制御方法
KR101264174B1 (ko) * 2011-05-26 2013-05-14 한국전기연구원 교류 구동 엘이디 장치 및 이의 구동 전류 제어 방법
KR20120139038A (ko) 2011-06-16 2012-12-27 삼성디스플레이 주식회사 광원 모듈, 상기 광원 모듈의 구동 방법 및 이를 포함하는 표시 장치
CN102252196A (zh) * 2011-06-24 2011-11-23 鸿富锦精密工业（深圳）有限公司 Led灯及led阵列
US8610358B2 (en) 2011-08-17 2013-12-17 Express Imaging Systems, Llc Electrostatic discharge protection for luminaire
WO2013026053A1 (fr) 2011-08-18 2013-02-21 Lynk Labs, Inc. Dispositifs et systèmes ayant des circuits de del à courant alternatif et procédés de commande de ceux-ci
US8629621B2 (en) 2011-08-24 2014-01-14 Express Imaging Systems, Llc Resonant network for reduction of flicker perception in solid state lighting systems
WO2013071313A1 (fr) 2011-11-11 2013-05-16 Lynk Labs, Inc. Lampe à diode(s) électroluminescente(s) ayant un angle de faisceau pouvant être sélectionné
US8922124B2 (en) 2011-11-18 2014-12-30 Express Imaging Systems, Llc Adjustable output solid-state lamp with security features
US9247597B2 (en) 2011-12-02 2016-01-26 Lynk Labs, Inc. Color temperature controlled and low THD LED lighting devices and systems and methods of driving the same
US9360198B2 (en) 2011-12-06 2016-06-07 Express Imaging Systems, Llc Adjustable output solid-state lighting device
TWI464719B (zh) * 2012-01-20 2014-12-11 Pervasive Display Co Ltd 非揮發型顯示裝置
US9497393B2 (en) 2012-03-02 2016-11-15 Express Imaging Systems, Llc Systems and methods that employ object recognition
US9210751B2 (en) 2012-05-01 2015-12-08 Express Imaging Systems, Llc Solid state lighting, drive circuit and method of driving same
US9204523B2 (en) 2012-05-02 2015-12-01 Express Imaging Systems, Llc Remotely adjustable solid-state lamp
JP2014007208A (ja) * 2012-06-22 2014-01-16 Nano Material Kenkyusho:Kk 半導体デバイス
TW201401484A (zh) * 2012-06-27 2014-01-01 矽品精密工業股份有限公司 發光元件晶片組及其電路與銲線連結方法
US9131552B2 (en) 2012-07-25 2015-09-08 Express Imaging Systems, Llc Apparatus and method of operating a luminaire
US8878440B2 (en) 2012-08-28 2014-11-04 Express Imaging Systems, Llc Luminaire with atmospheric electrical activity detection and visual alert capabilities
US8896215B2 (en) 2012-09-05 2014-11-25 Express Imaging Systems, Llc Apparatus and method for schedule based operation of a luminaire
CN102883511B (zh) * 2012-10-17 2014-11-05 太仓电威光电有限公司 多路串并联led负载故障保护驱动电路及故障诊断保护方法
US9301365B2 (en) 2012-11-07 2016-03-29 Express Imaging Systems, Llc Luminaire with switch-mode converter power monitoring
US9210759B2 (en) 2012-11-19 2015-12-08 Express Imaging Systems, Llc Luminaire with ambient sensing and autonomous control capabilities
DE202012104850U1 (de) * 2012-12-13 2014-03-14 Zumtobel Lighting Gmbh Anordnung zum Betreiben von Lichtquellen
KR101465759B1 (ko) * 2013-01-07 2014-11-26 주식회사 포스코엘이디 Vcc 안정화 회로를 구비하는 LED 구동회로
JP2014179594A (ja) * 2013-02-13 2014-09-25 Panasonic Corp 半導体光源装置及び投写型映像表示装置
US9288873B2 (en) 2013-02-13 2016-03-15 Express Imaging Systems, Llc Systems, methods, and apparatuses for using a high current switching device as a logic level sensor
US9466443B2 (en) 2013-07-24 2016-10-11 Express Imaging Systems, Llc Photocontrol for luminaire consumes very low power
US9414449B2 (en) 2013-11-18 2016-08-09 Express Imaging Systems, Llc High efficiency power controller for luminaire
WO2015116812A1 (fr) 2014-01-30 2015-08-06 Express Imaging Systems, Llc Commande de lumière ambiante dans des lampes et luminaires à semi-conducteurs
US9572230B2 (en) 2014-09-30 2017-02-14 Express Imaging Systems, Llc Centralized control of area lighting hours of illumination
US9445485B2 (en) 2014-10-24 2016-09-13 Express Imaging Systems, Llc Detection and correction of faulty photo controls in outdoor luminaires
US9462662B1 (en) 2015-03-24 2016-10-04 Express Imaging Systems, Llc Low power photocontrol for luminaire
US9538612B1 (en) 2015-09-03 2017-01-03 Express Imaging Systems, Llc Low power photocontrol for luminaire
US9924582B2 (en) 2016-04-26 2018-03-20 Express Imaging Systems, Llc Luminaire dimming module uses 3 contact NEMA photocontrol socket
CN106210575B (zh) * 2016-07-01 2019-09-17 青岛海信电器股份有限公司 液晶电视的驱动电路系统及液晶电视
US9985429B2 (en) 2016-09-21 2018-05-29 Express Imaging Systems, Llc Inrush current limiter circuit
US10230296B2 (en) 2016-09-21 2019-03-12 Express Imaging Systems, Llc Output ripple reduction for power converters
US10098212B2 (en) 2017-02-14 2018-10-09 Express Imaging Systems, Llc Systems and methods for controlling outdoor luminaire wireless network using smart appliance
US11375599B2 (en) 2017-04-03 2022-06-28 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US10568191B2 (en) 2017-04-03 2020-02-18 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US10904992B2 (en) 2017-04-03 2021-01-26 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US10219360B2 (en) 2017-04-03 2019-02-26 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US10164374B1 (en) 2017-10-31 2018-12-25 Express Imaging Systems, Llc Receptacle sockets for twist-lock connectors
JP7114262B2 (ja) * 2018-01-31 2022-08-08 キヤノン株式会社 トライアック駆動回路及び定着装置
CN110083280A (zh) * 2019-04-26 2019-08-02 业成科技（成都）有限公司 具电磁感应功能之触控面板
US11234304B2 (en) 2019-05-24 2022-01-25 Express Imaging Systems, Llc Photocontroller to control operation of a luminaire having a dimming line
US11317497B2 (en) 2019-06-20 2022-04-26 Express Imaging Systems, Llc Photocontroller and/or lamp with photocontrols to control operation of lamp
US11212887B2 (en) 2019-11-04 2021-12-28 Express Imaging Systems, Llc Light having selectively adjustable sets of solid state light sources, circuit and method of operation thereof, to provide variable output characteristics
KR102292419B1 (ko) * 2020-03-17 2021-08-23 최용훈 광 제어 소자의 구동 장치
US11470701B2 (en) * 2020-09-22 2022-10-11 Ruijin Deyu Optoelectronics Co., Ltd. Alternating current LED filament
KR102249803B1 (ko) * 2020-10-16 2021-05-11 에이펙스인텍 주식회사 브리지 엘이디 회로를 이용한 무극성 무손실 고효율 엘이디 조명시스템
CN112992081B (zh) * 2021-03-08 2023-04-25 京东方科技集团股份有限公司 一种背光板、显示面板及背光板的控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05198843A (ja) * 1992-01-23 1993-08-06 Toshiba Lighting & Technol Corp 発光ダイオードランプおよび発光ダイオード表示装置
DE10103422A1 (de) * 2001-01-26 2002-08-01 Erich Kaifler Lichtquellen auf Halbleiterbasis für höhere Spannungen und höhere Leistungen, für Gleichstrom und für Wechselstrom
DE102004047681A1 (de) * 2004-09-30 2006-04-13 Osram Opto Semiconductors Gmbh LED-Schaltungsanordnung mit einem Diodengleichrichter

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577051A (en) * 1969-05-19 1971-05-04 Power Concepts Corp Motor speed control circuit having variable reactive impedance means
US3985528A (en) * 1973-07-05 1976-10-12 American Air Filter Company, Inc. Control means and automatic roll-type filter
US4342947A (en) * 1977-10-14 1982-08-03 Bloyd Jon A Light indicating system having light emitting diodes and power reduction circuit
JPS62174358U (fr) 1986-04-25 1987-11-05
JPS6364059U (fr) 1986-10-14 1988-04-27
JPH0341390U (fr) 1989-08-30 1991-04-19
JPH06188457A (ja) 1990-12-20 1994-07-08 Fujitsu Ltd Ｌｅｄ発光回路
JPH0566718A (ja) 1991-09-09 1993-03-19 Toshiba Lighting & Technol Corp 発光ダイオード表示素子
JPH06242733A (ja) 1993-02-17 1994-09-02 Hakuyo Denkyu Kk 交流点灯用ｌｅｄランプ
US5726535A (en) * 1996-04-10 1998-03-10 Yan; Ellis LED retrolift lamp for exit signs
US6480337B2 (en) * 1999-03-04 2002-11-12 Mixed Reality Systems Laboratory Inc. Image display apparatus
JP2001272938A (ja) 2000-03-28 2001-10-05 Sharp Corp 色調調整回路およびその回路を備えたバックライトモジュールおよび発光ダイオード表示装置
US6452217B1 (en) * 2000-06-30 2002-09-17 General Electric Company High power LED lamp structure using phase change cooling enhancements for LED lighting products
US20020043943A1 (en) * 2000-10-10 2002-04-18 Menzer Randy L. LED array primary display light sources employing dynamically switchable bypass circuitry
EP1478213A4 (fr) * 2002-02-20 2005-03-09 Matsushita Electric Ind Co Ltd Dispositif d'eclairage de lampe a decharge sans electrode, lampe fluorescente sans electrode de type ampoule, et dispositif d'eclairage de lampe a decharge
TW548617B (en) 2002-06-06 2003-08-21 Au Optronics Corp Apparatus for controlling liquid crystal timing
JP2004311635A (ja) 2003-04-04 2004-11-04 Olympus Corp 駆動装置及びそれを用いた照明装置、並びに、その照明装置を用いた表示装置
US20060012988A1 (en) * 2004-06-30 2006-01-19 Hsiang-Cheng Hsieh Fine-tunable mixing light for light emitting diode

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05198843A (ja) * 1992-01-23 1993-08-06 Toshiba Lighting & Technol Corp 発光ダイオードランプおよび発光ダイオード表示装置
DE10103422A1 (de) * 2001-01-26 2002-08-01 Erich Kaifler Lichtquellen auf Halbleiterbasis für höhere Spannungen und höhere Leistungen, für Gleichstrom und für Wechselstrom
DE102004047681A1 (de) * 2004-09-30 2006-04-13 Osram Opto Semiconductors Gmbh LED-Schaltungsanordnung mit einem Diodengleichrichter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 629 (E-1462), 19 November 1993 (1993-11-19) & JP 05 198843 A (TOSHIBA LIGHTING & TECHNOL CORP), 6 August 1993 (1993-08-06) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2009961A3 (fr) * 2007-06-22 2010-01-20 Samsung Electro-Mechanics Co., Ltd. Circuit de commande de diode électroluminescente et dispositif de réseau de diode électroluminescente
US8026675B2 (en) 2007-06-22 2011-09-27 Samsung Led Co., Ltd. Light emitting diode driving circuit and light emitting diode array device
US8339050B2 (en) 2007-06-22 2012-12-25 Samsung Electronics Co., Ltd. Light emitting diode driving circuit and light emitting diode array device
WO2011083415A1 (fr) * 2010-01-07 2011-07-14 Koninklijke Philips Electronics N.V. Circuit d'éclairage à diodes électroluminescentes
US8829804B2 (en) 2010-01-07 2014-09-09 Koninklijke Philips N.V. LED lighting circuit
EP2348791A3 (fr) * 2010-01-22 2011-09-07 Chiu-Min Lin Dispositif d'éclairage à DEL capable de modifier la couleur de l'éclairage

Also Published As

Publication number Publication date
CN1794891A (zh) 2006-06-28
KR101164250B1 (ko) 2012-07-09
JP2006179672A (ja) 2006-07-06
JP4337731B2 (ja) 2009-09-30
US7960919B2 (en) 2011-06-14
CN100484346C (zh) 2009-04-29
TW200636642A (en) 2006-10-16
TWI344118B (en) 2011-06-21
EP1675440A3 (fr) 2006-07-12
US20060158130A1 (en) 2006-07-20
KR20060071869A (ko) 2006-06-27

Similar Documents

Publication Publication Date Title
US7960919B2 (en) Illumination apparatus and image display apparatus
US10187950B2 (en) Adjusting color temperature in a dimmable LED lighting system
US8841862B2 (en) LED driving system and method for variable voltage input
JP4934507B2 (ja) Ｌｅｄを備えたｌｃｄバックライトの駆動システム
JP6986703B2 (ja) 電源システム、点灯装置、及び照明システム
US8587217B2 (en) Multi-LED control
TWI539863B (zh) 發光二極體驅動裝置及應用其之發光二極體照明系統
JP5441943B2 (ja) 光源点灯装置及び照明器具及び調光システム
CN103843461B (zh) 用于固态灯泡组件的驱动电路
CN103249220A (zh) 半导体发光元件驱动装置以及包括该装置的照明器材
US9072141B2 (en) Driving circuit for a light emitting diode lighting apparatus
JP6320455B2 (ja) Ｌｅｄ点灯装置
CN102032458A (zh) 发光装置及其发光方法
KR101421647B1 (ko) 교류 직결형 스마트 led 드라이버 모듈
CN101222798B (zh) 发光二极管的驱动电路
JP5944672B2 (ja) Ｌｅｄ点灯装置、それを備えた照明器具、及び照明装置
CN109922572A (zh) 一种μLED电流模式像素驱动电路系统
WO2014081210A1 (fr) Dispositif de communication optique utilisant un éclairage par del à courant alternatif et procédé de communication utilisant ledit dispositif
KR102125208B1 (ko) 전류 센서를 이용한 led 조명 장치
KR20130042426A (ko) 전원공급장치 및 구동 장치
NL2023938B1 (en) Method of multi-mode color control by an LED driver
CN202178895U (zh) 光源控制装置
KR20090068103A (ko) Ｌｅｄ 구동장치
Feng et al. Review of Recent Patents in AC LED Technology
CN103517499A (zh) 发光二极管控制装置及相关的控制方法

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

17P Request for examination filed

Effective date: 20060913

17Q First examination report despatched

Effective date: 20061026

AKX Designation fees paid

Designated state(s): DE FR GB

APBN Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2E

APBR Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3E

APBV Interlocutory revision of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNIRAPE

APBK Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNE

APBN Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2E

APBR Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3E

APAF Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SONY CORPORATION

APAF Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNE

APAF Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNE

APAX Date of receipt of notice of appeal deleted

Free format text: ORIGINAL CODE: EPIDOSDNOA2E

APAZ Date of receipt of statement of grounds of appeal deleted

Free format text: ORIGINAL CODE: EPIDOSDNOA3E

APBK Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNE

APBN Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2E

APBR Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3E

APAF Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNE

APAX Date of receipt of notice of appeal deleted

Free format text: ORIGINAL CODE: EPIDOSDNOA2E

APAZ Date of receipt of statement of grounds of appeal deleted

Free format text: ORIGINAL CODE: EPIDOSDNOA3E

APBD Information on interlocutory revision deleted

Free format text: ORIGINAL CODE: EPIDOSDIRAPE

APBT Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9E

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20090222

R18R Application refused (corrected)

Effective date: 20130510